DUNGS ÜB, NB...A2 - Pressure Limiters for gas, air, flue
Adjustable DUNGS Pressure Switches ÜB, NB...A2 with manual reset for monitoring overpressure, specially developed for mounting on DUNGS multifunctional device, double solenoid valves, safety valves and pressure…
SKU 3G-OTH-02957
Also listed as: UBNBA2 · UB NB A2
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
Adjustable DUNGS Pressure Switches ÜB, NB...A2 with manual reset for monitoring overpressure, specially developed for mounting on DUNGS multifunctional device, double solenoid valves, safety valves and pressure regulators. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.
Frequently Asked Questions
What is the DUNGS ÜB, NB...A2 pressure limiter used for?
The DUNGS ÜB and NB...A2 pressure limiters monitor overpressure or underpressure in gas, air, flue, exhaust gases, and hydrogen systems. They are designed for mounting on DUNGS multifunctional gas controls, double solenoid valves, and safety valves in burner, ventilation, and air-conditioning applications.
What are the specifications of the DUNGS ÜB, NB...A2 pressure limiter?
The DUNGS ÜB and NB...A2 pressure limiters have a maximum operating pressure of 500 mbar (50 kPa), or 600 mbar (60 kPa) for NB 500 A2 and ÜB 500 A2 models. Ambient and medium temperature range is -15 °C to +70 °C. The housing base is aluminium die casting with a polycarbonate hood.
Where to buy DUNGS pressure limiters in Singapore?
3G Electric supplies DUNGS ÜB and NB...A2 pressure limiters to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on your required model and quantity.
How does the DUNGS ÜB...A2 pressure limiter reset after a trip?
The DUNGS ÜB...A2 pressure limiter locks out when the set pressure is exceeded. Restart requires manually pressing the reset button on the setting wheel after the operating pressure has been restored. A glow lamp indicates the locked state. This manual reset ensures safe re-commissioning.
Used in
Common applications for DungsDungs Products
3G Electric supplies Dungs pressure switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- TELEMECANIQUE SENSORS Diaphragm-actuated pressure switch for air and water systems. Adjustable set point range 40 to 200 psi. 1/4" FNPS connection. Suitable for pump control, compressor regulation, and HVAC applications
- TELEMECANIQUE SENSORS Diaphragm-actuated pressure switch for air and water systems. Adjustable set point range from 40 to 200 psi. 1/4" female NPT connection. Opens or closes electrical circuits in response to pressure changes in pumps, compressors, and HVAC equipment
